exceeds_tumbling_sum {lest} | R Documentation |
Check When the Tumbling Sum of a Vector Exceeds a Threshold
Description
The tumbling sum is calculated as the partial cumulative sum of a vector
until a threshold is exceeded. Once this happens, the tumbling sum is
calculated from zero again. exceeds_tumbling_sum()
returns TRUE
whenever
this threshold is hit/exceeded and FALSE
otherwise.
Usage
exceeds_tumbling_sum(x, threshold, inclusive = TRUE)
Arguments
x |
a |
threshold |
a |
inclusive |
a |
Details
This is for example useful if you have high frequency GPS positions
and want to keep only points that are at least x
seconds apart.
Value
a logical
vector of the same length as x
that is TRUE
whenever
threshold
was exceeded and FALSE
otherwise
See Also
MESS::cumsumbinning()
does something very similar, but returns
group indices instead of a logical vector.
Examples
exceeds_tumbling_sum(c(1, 3, 3, 3), 4)